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Close-up of Irritrol R2357 replacement 1-inch rubber diaphragm for 700 Series irrigation valve on white background, showing part shape and sealing edge.

Irritrol R2357 1-inch Diaphragm for 700 Series Valves

Brand: Irritrol
Save 28%
$24.69
$17.90
SKU R2357

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Replace a worn or damaged diaphragm with the genuine Irritrol R2357, a 1-inch rubber diaphragm made for the 700 Series irrigation valves. This OEM replacement restores proper sealing, helps prevent leaks, and returns valves to reliable operation after routine maintenance or repair.

  • Direct OEM fit: Part R2357 is a direct replacement for Irritrol 700 Series valves, including 1-inch/700-1 models.
  • Durable rubber construction: Engineered to resist normal wear and provide a long-lasting seal under typical irrigation pressures.
  • Quick installation: Designed for fast, straightforward replacement using common tools — no special calibration required.
  • Maintenance-friendly: Works with standard 700 Series repair kits and parts diagrams to simplify servicing in the field.
  • Cost-effective spare: Lightweight, economical part for contractors and homeowners who keep essential replacement parts on hand.

If you’re unsure about fit, confirm your valve model (look for 700 Series markings) and consult the manufacturer parts diagram before ordering. Keep a spare R2357 on hand to minimize downtime — replacing the diaphragm is a fast way to restore proper valve function and reduce irrigation interruptions.

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Frequently Asked Questions

What Irritrol valve models does the R2357 fit?
Fits Irritrol 700 Series valves (1-inch models such as 700-1). Confirm your valve model before ordering.
How difficult is it to install the R2357 diaphragm?
Installation is simple: remove the bonnet, swap the diaphragm, and reassemble. Use basic hand tools and follow the parts diagram.
Will replacing the diaphragm stop valve leaks?
Yes—installing a new OEM diaphragm often restores a proper seal. If leaks continue, inspect the valve seat and assembly for damage.